Report on C++ visibility and other attributes #3014

Job	Run time
quickchecking	19s
msrv	53s
docs	23s
minimal	18s
rustfmt-clippy	13s
test-expectations (ubuntu-latest)	45s
check-cfg	20s
test-expectations (macos-latest)	41s
test (ubuntu-latest, 9.0, 0, 0, 0, 0)	1m 48s
test-book	5s
test-no-headers	25s
test (ubuntu-latest, 9.0, 0, 0, 1, 0)	1m 46s
test (ubuntu-latest, 9.0, 0, 1, 0, 0)	1m 50s
test (ubuntu-latest, 9.0, 0, 1, 1, 0)	1m 44s
test (ubuntu-latest, 9.0, 1, 0, 0, 0)	2m 18s
test (ubuntu-latest, 9.0, 1, 0, 1, 0)	2m 12s
test (ubuntu-latest, 9.0, 1, 1, 0, 0)	2m 14s
test (ubuntu-latest, 9.0, 1, 1, 1, 0)	2m 11s
test (ubuntu-latest, 16.0, 0, 0, 0, 0)	4m 14s
test (ubuntu-latest, 16.0, 0, 0, 1, 0)	4m 1s
test (ubuntu-latest, 16.0, 0, 1, 0, 0)	3m 54s
test (ubuntu-latest, 16.0, 0, 1, 1, 0)	4m 6s
test (ubuntu-latest, 16.0, 1, 0, 0, 0)	4m 54s
test (ubuntu-latest, 16.0, 1, 0, 1, 0)	4m 54s
test (ubuntu-latest, 16.0, 1, 1, 0, 0)	4m 54s
test (ubuntu-latest, 16.0, 1, 1, 1, 0)	4m 58s
test (ubuntu-latest, 16.0, 0, 0, 1)	2m 28s
test (macos-latest, 16.0, 0, 0, 0)	2m 23s
success	1s
	1h 1m 12s

Provide feedback